Isometric exerciser



FIG. 1 is a front elevational view of an isometric exerciser showing my new design, the rear elevational view being the same;

FIG. 2 is a right side elevational view, the left side view being the mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an enlarged front elevational view of one of the handles of FIG. 1;

FIG. 6 is a right side elevational view of FIG. 5, the left side elevational view being the mirror image thereof;

FIG. 7 is a top plan view of FIG. 5; and,

FIG. 8 is a bottom plan view of FIG. 5. 

The ornamental design for an isometric exerciser, as shown and described. 